Matthew 24:42

Watch therefore, for you do not know on what day your Lord is coming.

Matthew 25:13

Therefore keep watch, for you know neither the day nor the hour.

Luke 21:36

Watch at all times, and pray always that you may have strength to escape all these things that will take place, and to stand before the Son of Man."

Matthew 24:44

Therefore you also must be ready, for the Son of Man is coming at an hour you do not expect.

1 Corinthians 16:13

Be on the your guard, stand firm in the faith, act like men, be strong.

1 Thessalonians 5:6

So then let us not sleep, as others do, but let us be alert and sober.

Matthew 24:36

"But of that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only.

Revelation 16:15

("Behold, I am coming like a thief! Blessed is he who stays awake and keeps his clothes with him, so that he may not go naked and be shamefully exposed.")

Matthew 26:38-41

Then he said to them, "My soul is exceedingly sorrowful, even to death. Stay here and watch with me."

Mark 13:33-37

Take heed, watch; for you do not know when the time will come.

Luke 12:35-40

"Let your waist be girded and your lamps burning,

Romans 13:11

And do this, knowing the hour, that now it is full time for you to wake from sleep. For now our salvation is nearer than when we first believed.

1 Peter 4:7

The end of all things is near; therefore be clear minded and sober for your prayers.

1 Peter 5:8

Be sober, be alert. Your adversary the devil prowls around like a roaring lion, seeking someone to devour.

Revelation 3:2-3

Wake up, and strengthen what remains and is about to die, for I have not found your works perfect in the sight of my God.

Treasury of Scripture Knowledge

Summary

Watch therefore: for ye know not what hour your Lord doth come.

Bible References

For

Matthew 24:36
"But of that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only.
Mark 13:33
Take heed, watch; for you do not know when the time will come.

General references

Matthew 24:36
"But of that day and hour no one knows, not even the angels of heaven, nor the Son, but the Father only.
Matthew 25:13
Therefore keep watch, for you know neither the day nor the hour.
Mark 13:33
Take heed, watch; for you do not know when the time will come.
Luke 12:40
Therefore you also must be ready, for the Son of Man is coming at an hour you do not expect."